how to set zoom level using css

Question

I have been developing my webapp with a certain zoom level on firefox that I set initially (using ctrl+wheel). Now when tested on a different PC on firefox, the default 100%

Answer 1

The page zoom is a browser feature, not a CSS setting (well, except for that IE proprietary thing, which is really more useful for fixing IE bugs than anything) so it is a user-controlled variable rather than anything you have control over.